AS i have too many lists already, rather than start a new one, I will include these here. The challenge is to change one letter in a foreign loanword or phrase and provide a new definition. This is an (annual?) contest in Canada's Globe and Mail newspaper - the list below is compiled from winning entries over a few years.

Actually, I think this first batch were submitted to a contest in New York magazine:

re: through the fooking glass -- I can take no credit for this, it's from the guardian books website that sarra linked to below, but I had to include it anyway because it made me laugh so hard I had to put my head down on my desk.

Good point — that first page alone has crivens, a Scotsism; Bold and Ariel, British detergent brands; Sadler's Wells, a theatre noted for ballet which has lent its name to a company of same; David Blunkett, an ex-(I think!)politician; the Territorial Army…